/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.processors.query.calcite.exec.ddl;

import java.util.List;
import java.util.UUID;
import org.apache.ignite.cache.query.FieldsQueryCursor;
import org.apache.ignite.internal.GridKernalContext;
import org.apache.ignite.internal.processors.query.calcite.prepare.ddl.NativeCommandWrapper;
import org.apache.ignite.internal.sql.SqlCommandProcessor;

/**
 * Handler for Ignite native (core module) commands.
 */
public class NativeCommandHandler {
    /** Command processor. */
    private final SqlCommandProcessor proc;

    /**
     * @param ctx Context.
     */
    public NativeCommandHandler(GridKernalContext ctx) {
        proc = new SqlCommandProcessor(ctx);
    }

    /**
     * @param qryId Query id.
     * @param cmd   Native command.
     */
    public FieldsQueryCursor<List<?>> handle(UUID qryId, NativeCommandWrapper cmd) {
        assert proc.isCommandSupported(cmd.command()) : cmd.command();

        return proc.runCommand(cmd.command());
    }
}
